SWS3022 Exam 3 Practice Questions and Answers | 100% Pass
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Course
SWS3022
Institution
SWS3022
SWS3022 Exam 3 Practice Questions
and Answers | 100% Pass
Be able to define an acid. - Answer️️ -Any substance that increases the hydrogen ion
concentration in a solution.
Know the two ions considered acids in soils. - Answer️️ -Hydrogen (H+) and Aluminum
(Al3+).
Understand how alumin...
SWS3022 Exam 3 Practice Questions
and Answers | 100% Pass
Be able to define an acid. - Answer✔️✔️-Any substance that increases the hydrogen ion
concentration in a solution.
Know the two ions considered acids in soils. - Answer✔️✔️-Hydrogen (H+) and Aluminum
(Al3+).
Understand how aluminum contributes to soil acidity - Answer✔️✔️-Hydrolosis.
Al(H2O)6 3+ = Al(H2O)5(OH) 2+ and H+
Understand the two basic types of soil acidity discussed in class. - Answer✔️✔️-Active
and exchangeable acidity.
Know the relationship between pH and H+ concentration in solution. - Answer✔️✔️-High
pH = low H+ concentration
Low pH = high H+ concentration
Understand the meaning of % base saturation with respect to soil acidity. - Answer✔️✔️-
an expression of the relative amounts of non-acidic cations to acid cations on the
exchange sites. (exchangeable bases/CEC).
Understand why many Florida soils tend to be acidic. - Answer✔️✔️-Due to low base
saturation and the weathering of soils which releases Al3+.
Be able to define a base. - Answer✔️✔️-Any substance that decreases the hydrogen ion
concentration of a solution.
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